/*******************************************************************************
 * Copyright (c) 2006 CEA List.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     CEA List - initial API and implementation
 *******************************************************************************/
package com.cea.papyrus.diagram.component.helper;

import java.util.ArrayList;

import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.uml2.uml.Component;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.PackageableElement;
import org.eclipse.uml2.uml.UMLFactory;

import com.cea.papyrus.core.utils.Debug;
import com.cea.papyrus.diagram.component.Activator;
import com.cea.papyrus.diagram.component.preference.ComponentDiagramPreferenceConstants;
import com.cea.papyrus.diagraminterchange2.di2.Diagram;
import com.cea.papyrus.diagraminterchange2.di2.GraphElement;
import com.cea.papyrus.diagraminterchange2.di2.GraphNode;
import com.cea.papyrus.diagraminterchange2.di2.Uml1SemanticModelBridge;

/**
 * Factory that can create and delete a {@link Package}}.
 * 
 * @author Patrick Tessier, Remi Schnekenburger
 */
public class NodePackageHelper extends com.cea.papyrus.diagram.classdiagram.helper.NodePackageHelper {

	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.factories.NodeFactory#createGraphElement(org.eclipse.uml2.uml.Element, com.cea.papyrus.diagraminterchange2.di2.GraphElement, org.eclipse.draw2d.geometry.Point, org.eclipse.draw2d.geometry.Dimension)
	 */
	/**
	 * 
	 * 
	 * @param umlChild 
	 * @param size 
	 * @param location 
	 * @param parent 
	 * 
	 * @return 
	 */
	@Override
	public GraphNode createGraphElement(Element umlChild, GraphElement parent, Point location, Dimension size) {
		Debug.debug(this,"Call NodePackageFactory.createGraphElement()", channel); //$NON-NLS-1$

		// creates the graph element corresponding to the Enumeration
		GraphNode graphNode = super.createGraphElement(umlChild, parent, location, size);
		if(size == null){
			graphNode.setSize(new Dimension(200, 100));
		}

		// finally, adds the DataType graph element to its parent graph element
		parent.getContained().add(graphNode);

		return graphNode;
	}

	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.factories.INodeFactory#createGraphNode(org.eclipse.uml2.uml.NamedElement, com.cea.papyrus.diagraminterchange2.di2.Diagram)
	 */
	/**
	 * 
	 * 
	 * @param umlElement 
	 * @param diagram 
	 * 
	 * @return 
	 */
	@Override
	public ArrayList createGraphNode(Element umlElement, Diagram diagram) {
		return new ArrayList();
	}

	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.factories.NodeFactory#canExecuteCreateCommand(com.cea.papyrus.diagraminterchange2.di2.GraphNode)
	 */
	/**
	 * 
	 * 
	 * @param parent 
	 * 
	 * @return 
	 */
	@Override
	public boolean canCreateGraphElement(GraphElement parent){
		if(parent instanceof Diagram) {
			return true; //this a diagram
		} else if (parent.getSemanticModel()!=null){
			Element parentElt= ((Uml1SemanticModelBridge)parent.getSemanticModel()).getElement();
			if(parentElt!=null){
				if (parentElt instanceof Component) {//package Profile model
					return true;
				}
				if (parentElt instanceof Package) {//package Profile model
					return true;
				}
			}
		}
		return false;
	}

	///////////////////////////////////////////////////////////////////////////
	// UML Management
	///////////////////////////////////////////////////////////////////////////
	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.factories.NodeFactory#createElement(java.lang.String, org.eclipse.uml2.uml.Element)
	 */
	/**
	 * 
	 * 
	 * @param umlParent 
	 * @param name 
	 * 
	 * @return 
	 */
	@Override
	public org.eclipse.uml2.uml.Element createUMLElement(String name, org.eclipse.uml2.uml.Element umlParent){
		Debug.debug(this,"Call NodePackageFactory.createPackage()", channel); //$NON-NLS-1$
		//create Package
		org.eclipse.uml2.uml.Package aPackage = UMLFactory.eINSTANCE.createPackage();
		aPackage.setName(name);
		//add it to its umlParent
		
		//umlParent is a Component
		if (umlParent instanceof Component) {
			((Component) umlParent).getPackagedElements().add(aPackage);
			return (Element)aPackage;	
		} 
		//umlParent is a Package or a diagram
		//if (umlParent instanceof Package) {
			((Package) umlParent).getPackagedElements().add(aPackage);
			return (Element)aPackage;		
	}

	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.factories.NodeFactory#canExecuteCreateElement(org.eclipse.uml2.uml.Element)
	 */
	/**
	 * 
	 * 
	 * @param umlParent 
	 * 
	 * @return 
	 */
	@Override
	public boolean canCreateUMLElement(Element umlParent) {
		if( umlParent instanceof Component || umlParent instanceof Package) {
			return true;
		}
		return false;
	}

	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.factories.NodeFactory#addElement(org.eclipse.uml2.uml.Element, org.eclipse.uml2.uml.Element)
	 */
	/**
	 * 
	 * 
	 * @param element 
	 * @param umlParent 
	 * 
	 * @return 
	 */
	@Override
	public boolean addUMLElement(Element element, Element umlParent) {
		if(umlParent instanceof Component || umlParent instanceof Package) {
			return ((Package)umlParent).getPackagedElements().add((PackageableElement)element);
		}
		return false;
	}

	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.factories.NodeFactory#removeElement(org.eclipse.uml2.uml.Element, org.eclipse.uml2.uml.Element)
	 */
	/**
	 * 
	 * 
	 * @param element 
	 * @param umlParent 
	 * 
	 * @return 
	 */
	@Override
	public boolean removeUMLElement(Element element, Element umlParent) {
		if( umlParent instanceof Component || umlParent instanceof Package)
		{
			return ((Package)umlParent).getPackagedElements().remove(element);
		}
		return false;
	}

	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.factories.NodeFactory#getBaseString()
	 */
	/**
	 * 
	 * 
	 * @return 
	 */
	@Override
	public String getBaseString() {
		return "Package_"; //$NON-NLS-1$

	}

	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.helper.NodeHelper#setGraphElementPreferences(com.cea.papyrus.diagraminterchange2.di2.GraphElement)
	 */
	/**
	 * 
	 * 
	 * @param graphElement 
	 */
	@Override
	public void setGraphElementPreferences(GraphElement graphElement) {
		// Get the preference store
		IPreferenceStore store = Activator.getDefault().getPreferenceStore();
		
		// Set colors and font
		graphElement.setBackgroundColor(ComponentDiagramPreferenceConstants.getPreferencePackageBackgroundColor(store));
		graphElement.setBorderColor(ComponentDiagramPreferenceConstants.getPreferencePackageBorderColor(store));
		graphElement.setFontColor(ComponentDiagramPreferenceConstants.getPreferencePackageFontColor(store));
		FontData[] fontdata = ComponentDiagramPreferenceConstants.getPreferencePackageFont(store);
		if (fontdata.length>0){
			graphElement.setFontFamily(fontdata[0].getName());
			graphElement.setFontSize(fontdata[0].getHeight());
		}
	}
}